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Camry Repair Manual
RS–1 SUPPLEMENTAL RESTRAINT SYSTEM – SRS AIRBAG SRS AIRBAG RS01Y–22 PRECAUTION NOTICE: F The CAMRY is equipped with SRS, which comprises a driver airbag, front passenger airbag, and side airbag Failure to carry out service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing, possibly leading to a serious accident Further, if a mistake is made in servicing the SRS, it is possible that the SRS may fail to operate when required Before performing servicing (including removal or installation of parts, inspection or replacement), be sure to read the following items carefully, then follow the correct procedures described in the repair manual F Malfunction symptoms of the SRS are difficult to confirm, so the DTCs become the most important source of information when troubleshooting When troubleshooting the SRS, always inspect the DTCs before disconnecting the battery F Even in cases of a minor collision where the SRS does not deploy, the steering wheel pad, front passenger airbag assembly, side airbag assembly (TMC made and TMMK made), airbag sensor assembly, front airbag sensor and side airbag sensor assembly should be inspected (See page RS–16, RS–29, RS–41, RS–54, RS–60, RS–65 and RS–70) F Never use SRS parts from another vehicle When replacing parts, replace them with new parts F Never disassemble and repair the steering wheel pad, front passenger airbag assembly, side airbag assembly, airbag sensor assembly, front airbag sensor or side airbag sensor assembly in order to reuse it F If the steering wheel pad, front passenger airbag assembly, side airbag assembly, airbag sensor assembly, front airbag sensor or side airbag sensor assembly has been dropped, or if there are cracks, dents or other defects in the case, bracket or connector, replace them with new ones F Use a volt/ohmmeter with high impedance (10 kΩ/V minimum) for troubleshooting the system’s electrical circuits F Information labels are attached to the periphery of the SRS components Follow the instructions on the notices F After work on the SRS is completed, perform the SRS warning light check (See page DI–626) F If the vehicle is equipped with a mobile communication system, refer to the precaution in the IN section CAUTION: F Work must be started 90 seconds after the ignition switch is turned to the ”LOCK” position and the negative (–) terminal cable is disconnected from the battery (The SRS is equipped with a back–up power source so that if work is started within 90 seconds from disconnecting the negative (–) terminal cable of the battery, the SRS may be deployed.) F When the negative (–) terminal cable is disconnected from the battery, the memory of the clock and audio system will be canceled So before starting work, make a record of the contents memorized in the audio memory system When work is finished, reset the audio systems as they were before and adjust the clock To avoid erasing the memory in each memory system, never use a back– up power supply from outside the vehicle F Before repairs, remove the airbag sensor if shocks are likely to be applied to the sensor during repairs F Do not expose the steering wheel pad, front passenger airbag assembly, side airbag assembly, airbag sensor assembly, front airbag sensor or side airbag sensor assembly directly to hot air or flames AuthorĂ: DateĂ: 2146 RS–2 SUPPLEMENTAL RESTRAINT SYSTEM – SRS AIRBAG RS0ET–01 OPERATION STEERING WHEEL PAD (with AIRBAG) The inflater and bag of the SRS are stored in the steering wheel pad and cannot be disassembled The inflater contains a squib, igniter charge, gas generant, etc., and inflates the bag when instructed by the airbag sensor assembly W03512 SPIRAL CABLE (in COMBINATION SWITCH) A spiral cable is used as an electrical joint from the vehicle body side to the steering wheel Spiral Cable R09725 FRONT PASSENGER AIRBAG ASSEMBLY The inflater and bag of the SRS are stored in the front passenger airbag assembly and cannot be disassembled The inflater contains a squib, igniter charge and gas generant, etc., and inflates the bag when instructed by the airbag sensor assembly W03511 SIDE AIRBAG ASSEMBLY The inflater and bag of the SRS side airbag are stored in the side airbag assembly and cannot be disassembled The inflater contains a squib, igniter charge and gas generant, etc., and inflates the bag when instructed by the side airbag sensor assembly H01347 SEAT BELT PRETENSIONER The seat belt pretensioner system is a component of the front seat outer belt The pretensioner contains a squib, gas generant, wire, piston, etc., and operates in the event of a frontal collision H02610 AuthorĂ: DateĂ: 2147 RS–3 SUPPLEMENTAL RESTRAINT SYSTEM – SRS AIRBAG SRS WARNING LIGHT The SRS warning light is located on the combination meter It goes on to alert the driver of trouble in the system when a malfunction is detected in the airbag sensor assembly self–diagnosis In normal operation conditions when the ignition switch is turned to the ACC or ON position, the light goes on for about seconds and then goes off H02309 AIRBAG SENSOR ASSEMBLY The airbag sensor assembly is mounted on the floor inside the lower center finish panel The airbag sensor assembly consists of an airbag sensor, safing sensor, diagnosis circuit, ignition control and drive circuit, etc It receives signals from the airbag sensor and judges whether the SRS must be activated or not H02266 FRONT AIRBAG SENSOR A front airbag sensor is mounted inside each of the side members The sensor unit is a mechanical type When the sensor detects deceleration force above a predetermined limit, contact is made in the sensor, sending a signal to the airbag sensor assembly The sensor cannot be disassembled H08235 SIDE AIRBAG SENSOR ASSEMBLY The side airbag sensor assembly is mounted in the LH and RH center pillars The side airbag sensor assembly consists of a lateral deceleration sensor, safing sensor and diagnosis circuit, etc It receives signals to the airbag sensor assembly to judge from the side airbag sensors whether the SRS side airbag must be activated or not H03284 AuthorĂ: DateĂ: 2148 RS–4 SUPPLEMENTAL RESTRAINT SYSTEM 10 – SRS AIRBAG TMC made: SRS CONNECTORS Side Airbag Assembly (RH) (Squib) Seat Belt Pretensioner (RH) 10 Side Airbag Sensor (RH) 11 12 Front Airbag Sensor (RH) Airbag Sensor Assembly Front Passenger Airbag Assembly (Squib) Spiral Cable Steering Wheel Pad (Squib) No.1 J/B 13 Front Airbag Sensor (LH) 14 Side Airbag Sensor (LH) 15 Seat Belt Pretensioner (LH) 16 Side Airbag Assembly (LH) (Squib) H08316 No Item Application (1) Terminal Twin–Lock Mechanism Connectors 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 (2) Airbag Activation Prevention Mechanism Connectors 1, 2, 3, 4, 5, 7, 8, 9, 15, 16 (3) Electrical Connection Check Mechanism Connectors 1, 2, (4) Connector Twin–Lock Mechanism Connectors 5, 6, AuthorĂ: DateĂ: 2149 RS–5 SUPPLEMENTAL RESTRAINT SYSTEM 11 – SRS AIRBAG TMMK made: SRS CONNECTORS 18 Side Airbag Assembly (RH) (Squib) Seat Belt Pretensioner (RH) 10 Side Airbag Sensor (RH) 11 12 Front Airbag Sensor (RH) Front Passenger Airbag Assembly (Squib) Spiral Cable Airbag Sensor Assembly Steering Wheel Pad (Squib) No.1 J / B 13 Front Airbag Sensor (LH) 14 Side Airbag Sensor (LH) 15 17 Seat Belt Pretensioner (LH) 16 Side Airbag Assembly (LH) (Squib) H08247 No Item Application (1) Terminal Twin–Lock Mechanism Connectors 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 (2) Airbag Activation Prevention Mechanism Connectors 1, 2, 3, 4, 5, 7, 8, 9, 15, 16, 17, 18 (3) Electrical Connection Check Mechanism Connectors 1, 2, (4) Connector Twin–Lock Mechanism Connectors 5, 6, AuthorĂ: DateĂ: 2150 RS–6 SUPPLEMENTAL RESTRAINT SYSTEM (a) Housing (2) Female Male Z05953 SRS AIRBAG All connectors in the SRS are colored in yellow to distinguish them from other connectors Connectors having special functions and specifically designed for the SRS are used in the locations shown on the previous page to ensure high reliability These connectors use durable gold–plated terminals (1) Spacer – Terminal twin–lock mechanism Each connector has a two–piece component consisting of a housing and a spacer This design enables the terminal to be locked securely by two locking devices (the retainer and the lance) to prevent terminals from coming out Airbag activation prevention mechanism Each connector contains a short spring plate When the connector is disconnected, the short spring plate automatically connects positive (+) terminal and negative (–) terminal of the squib When Connector is Connected When Connector is Disconnected Short Spring Plate Short Spring Plate Contacting Male Terminal Housing Housing Short Spring Plate ON Terminal Squib Connectors Squib Short Spring Plate Closed Circuit AuthorĂ: DateĂ: R10587 2151 RS–7 SUPPLEMENTAL RESTRAINT SYSTEM – SRS AIRBAG HINT: The type of connector is shown in the diagram on the previous page (3) SRS Warning Light Disconnection Detection Pin Airbag Sensor Assembly Electrical connection check mechanism This mechanism electrically checks that connectors are connected correctly and completely The electrical connection check mechanism is designed so that the disconnection detection pin connects with the diagnosis terminals when the connector housing lock is locked R12076 FHalf Connection FComplete Connection Terminal for Diagnosis Terminal for Diagnosis Disconnection Detection Pin H01315 HINT: The connectors shown in this illustration are connectors, ”1”, ”2” and ”3” in step 10 and 11 AuthorĂ: DateĂ: 2152 RS–8 SUPPLEMENTAL RESTRAINT SYSTEM (4) – SRS AIRBAG Connector twin–lock mechanism With this mechanism connectors (male and female connectors) are locked by locking devices to increase the connection reliability If the primary lock is incomplete, ribs interfere and prevent the secondary lock Secondary Lock Primary Lock Complete (Secondary Lock Permitted) Primary Lock Incomplete (Secondary Lock Prevented) (b) Fig.1 Power Source Safing Sensor Fig.2 Lock Lock Primary Lock Squibs Twin–Lock Completed AB0089 When the vehicle is involved in a frontal collision in the hatched area (Fig 1) and the shock is larger than the predetermined level, the SRS is activated automatically A safing sensor is designed to go on at a smaller deceleration rate than the airbag sensor As illustrated in Fig 2, ignition is caused when current flows to the squib, which happens when a safing sensor and the deceleration sensor go on simultaneously When a deceleration force acts on the sensors, squibs in the driver airbag and front passenger airbag ignite and generate gas The gas discharging into the driver airbag and front passenger airbag rapidly increases the pressure inside the bags, breaking open the steering wheel pad and instrument panel door Bag inflation then ends, and the bags deflate as the gas is discharged through discharge holes at the bag’s rear or side Deceleration Sensor Z14034 AuthorĂ: DateĂ: 2153 RS–9 SUPPLEMENTAL RESTRAINT SYSTEM 12 Outer (a) (b) H01581 – SRS AIRBAG DISCONNECTION OF FRONT AIRBAG SENSOR AND SIDE AIRBAG SENSOR CONNECTOR While holding both flank sides of the outer, slide the outer to the direction shown by an arrow Lock of the connectors is released, then disconnect the connectors HINT: Make sure to hold both flank sides of the outer If holding the top and bottom sides, it will obstruct disconnection Lock of connector is released Disconnection is completed H01582 13 CONNECTION OF FRONT AIRBAG SENSOR AND SIDE AIRBAG SENSOR CONNECTOR (a) Align the male connector (of the side of sensor) and female connector in the same direction as shown in the illustration and fit in them without rubbing (b) As they are fitted in, the outer slides rearward Press it until the outer returns to its original position again If fitting stops half way, connectors will separate (c) Make sure to insert until they are locked After fitting in, pull them slightly to check that they are locked (When locked, make sure that the outer returns to its original position and sound at the time of fitting in can be heard.) HINT: Do not fit in while holding the outer When fitting in, the outer slides Do not touch it Outer Outer H01583 AuthorĂ: DateĂ: 2154 RS–10 SUPPLEMENTAL RESTRAINT SYSTEM 14 (a) (b) (c) Slider – SRS AIRBAG DISCONNECTION OF SIDE AIRBAG CONNECTOR Place a finger on the slider Slide the slider to release lock Disconnect the connector Slider Disconnection is completed H01584 AuthorĂ: DateĂ: 2155 RS–61 SUPPLEMENTAL RESTRAINT SYSTEM – AIRBAG SENSOR ASSEMBLY RS01J–13 REPLACEMENT REPLACEMENT REQUIREMENTS In the following cases, replace the airbag sensor assembly F If the SRS has been deployed in a collision F If the airbag sensor assembly has been found to be faulty in troubleshooting F If the airbag sensor assembly has been dropped CAUTION: For removal and installation of the airbag sensor assembly, see page RS–59 and RS–62 Be sure to follow the correct procedure AuthorĂ: DateĂ: 2206 RS–62 SUPPLEMENTAL RESTRAINT SYSTEM – AIRBAG SENSOR ASSEMBLY RS0EZ–01 INSTALLATION NOTICE: F Never use SRS parts from another vehicle When replacing parts, replace them with new parts F Never reuse the airbag sensor assembly involved in a collision when the airbag has deployed F Never repair a sensor in order to reuse it LH side: RH side: H02267 H02268 H08322 INSTALL AIRBAG SENSOR ASSEMBLY (a) Using a torx wrench, install the airbag sensor assembly with screws Torx wrench: T40 (Part No.09042–00020 or locally manufactured tool) Torque: 20 N·m (205 kgf·cm, 15 ft·lbf) (b) Connect the airbag sensor connectors NOTICE: F Connection of the connector is done after the sensor assembly has been installed F Make sure the sensor assembly is installed with the specified torque F If the sensor assembly has been dropped, or there are cracks, dents or other defects in the case, bracket or connector, replace the sensor assembly with a new one F When installing the sensor assembly, take care that the SRS wiring does not interfere with other parts and is not pinched between other parts F After installing , shake the sensor assembly to check that there is no looseness AuthorĂ: DateĂ: 2207 RS–63 SUPPLEMENTAL RESTRAINT SYSTEM – FRONT AIRBAG SENSOR FRONT AIRBAG SENSOR RS01L–14 COMPONENTS 20 (205, 15) 20 (205, 15) Front Airbag Sensor (LH) Front Airbag Sensor (RH) 20 (205, 15) Turn Signal Light RH Turn Signal Light LH Head Light RH Head Light LH N·m (kgf·cm, ft·lbf) : Specified torque H08233 AuthorĂ: DateĂ: 2208 RS–64 SUPPLEMENTAL RESTRAINT SYSTEM – FRONT AIRBAG SENSOR RS0F0–01 REMOVAL NOTICE: F If the wiring connector of the SRS is disconnected with the ignition switch at ON or ACC position, DTCs will be recorded F Never use SRS parts from another vehicle When replacing parts, replace them with new parts F Never reuse the sensor involved in a collision when the SRS has deployed F Never repair a sensor in order to reuse it REMOVE HEAD LIGHT LH AND RH (a) Remove the clips and turn signal lights (b) Remove the bolts and head lights LH: REMOVE FRONT AIRBAG SENSOR (a) Disconnect the connector NOTICE: Disconnect the connector with sensor assembly installed (b) Remove the bolts and front airbag sensor LH H08318 RH: REMOVE FRONT AIRBAG SENSOR (a) Disconnect the connector NOTICE: Disconnect the connector with sensor assembly installed (b) Remove the bolts and front airbag sensor RH H08319 AuthorĂ: DateĂ: 2209 RS–65 SUPPLEMENTAL RESTRAINT SYSTEM – FRONT AIRBAG SENSOR RS01N–16 INSPECTION H08235 LH: VEHICLE NOT INVOLVED IN COLLISION Do a diagnostic system check (See page DI–626) VEHICLE INVOLVED IN COLLISION (a) Do a diagnostic system check (See page DI–626) (b) If the front fender of the car or its periphery is damaged, a visual check for damage to the front airbag sensor, which includes the following items even if the airbag was not deployed: F Bracket deformation F Paint peeling off the bracket F Cracks, dents or chips in the case F Cracks, dents, chipping and scratches in the connector F Peeling off of the label or damage to the serial number RH: H06728 AuthorĂ: DateĂ: 2210 RS–66 SUPPLEMENTAL RESTRAINT SYSTEM – FRONT AIRBAG SENSOR RS01O–10 REPLACEMENT REPLACEMENT REQUIREMENTS In the following cases, replace the front airbag sensor F If the SRS has been deployed in a collision (Replace both the left and right airbag sensors.) F If the front airbag sensor has been found to be faulty in troubleshooting F If the front airbag sensor has been found to be faulty during checking items (See page RS–65) F If the front airbag sensor has been dropped CAUTION: For removal and installation of the front airbag sensor, see page RS–64 and RS–67 Be sure to follow the correct procedure AuthorĂ: DateĂ: 2211 RS–67 SUPPLEMENTAL RESTRAINT SYSTEM – FRONT AIRBAG SENSOR RS01P–14 INSTALLATION (a) LH: RH: H06728 INSTALL FRONT AIRBAG SENSOR LH AND RH Install the front airbag sensor with the arrow on the sensor facing toward the front of the vehicle Torque: 20 N·m (205 kgf·cm, 15 ft·lbf) NOTICE: F Connection of the connector is done after the sensor assembly has been installed F Make sure the sensor is installed with the specified torque F If the sensor has been dropped, or there are cracks, dents or other defects in the case, brackets or connector, replace the removed sensor with a new one F The front sensor is equipped with an electrical connection check mechanism Be sure to lock this mechanism securely when connecting the connector If the connector is not securely locked, a malfunction code will be detected by the diagnostic system (b) Connect the front airbag sensor connector INSTALL HEAD LIGHT LH AND RH (See page BE–28) INSTALL TURN SIGNAL LIGHT LH AND RH AuthorĂ: DateĂ: 2212 RS–68 SUPPLEMENTAL RESTRAINT SYSTEM – SIDE AIRBAG SENSOR ASSEMBLY SIDE AIRBAG SENSOR ASSEMBLY RS01Q–06 COMPONENTS Side Airbag Sensor Assembly 7.5 (76, 66 in.·lbf) 20 (205, 15) Front Seat Outer Belt Retractor 42 (430, 31) Center Pillar Lower Garnish Front Door Scuff Plate N·m (kgf·cm, ft·lbf) : Specified torque H03285 AuthorĂ: DateĂ: 2213 RS–69 SUPPLEMENTAL RESTRAINT SYSTEM – SIDE AIRBAG SENSOR ASSEMBLY RS01R–05 REMOVAL NOTICE: Do not open the cover or the case of the ECU and various electrical devices unless absolutely necessary (If the IC terminals are touched, the IC may be destroyed by static electricity.) REMOVE FRONT DOOR SCUFF PLATE REMOVE CENTER PILLAR LOWER GARNISH (a) (b) REMOVE FRONT SEAT OUTER BELT RETRACTOR (See page BO–126) Disconnect the pretensioner connector Remove the bolts and retractor H01346 H01339 REMOVE SIDE AIRBAG SENSOR ASSEMBLY (a) Disconnect the side airbag sensor assembly connector NOTICE: Disconnect the connector with the sensor assembly installed (b) Using a torx wrench, remove the screws and side airbag sensor assembly Torx wrench: T40 (Part No.09042–00020 or locally manufactured tool) AuthorĂ: DateĂ: 2214 RS–70 SUPPLEMENTAL RESTRAINT SYSTEM – SIDE AIRBAG SENSOR ASSEMBLY RS05V–03 INSPECTION VEHICLE NOT INVOLVED IN COLLISION Do a diagnostic system check (See page DI–626) VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED Do a diagnostic system check (See page DI–626) VEHICLE INVOLVED IN COLLISION AND AIRBAG IS DEPLOYED Replace the side airbag sensor assembly (See page RS–69) AuthorĂ: DateĂ: 2215 RS–71 SUPPLEMENTAL RESTRAINT SYSTEM – SIDE AIRBAG SENSOR ASSEMBLY RS01T–06 REPLACEMENT REPLACEMENT REQUIREMENTS In the following cases, replace the side airbag sensor assembly F If the side airbag sensor assembly has been deployed in a collision F If the side airbag sensor assembly has been found to be faulty in troubleshooting F If the side airbag sensor assembly has been dropped CAUTION: For removal and installation of the side airbag sensor assembly, see page RS–69 and RS–72 Be sure to follow the correct procedure AuthorĂ: DateĂ: 2216 RS–72 SUPPLEMENTAL RESTRAINT SYSTEM – SIDE AIRBAG SENSOR ASSEMBLY RS05W–02 INSTALLATION NOTICE: F Never use SRS parts from another vehicle When replacing parts, replace them with new ones F Never reuse the side airbag sensor assembly involved in a collision when the airbag has deployed F Never repair a sensor in order to reuse it (a) H01339 INSTALL SIDE AIRBAG SENSOR ASSEMBLY Using a torx wrench, install the side airbag sensor assembly with the screws Torx wrench: T40 (Part No.09042–00020 or locally manufactured tool) Torque: 20 N·m (205 kgf·cm, 15 ft·lbf) (b) Connect the side airbag sensor assembly connector NOTICE: F Connection of the connector is done after the sensor assembly has been installed Make sure the sensor assembly is installed with the specified torque F If the sensor assembly has been dropped, or there are cracks, dents or other defects in the case, bracket or connector, replace the sensor assembly with a new one F When installing the sensor assembly, take care that the SRS wiring does not interfere with other parts and is not pinched between other parts F After installation, shake the sensor assembly to check that there is no looseness INSTALL FRONT SEAT OUTER BELT RETRACTOR (See page BO–134) (a) Install the retractor with the bolts Torque: Upper bolt: 7.5 N·m (76 kgf·cm, 66 in.·lbf) Lower bolt: 42 N·m (430 kgf·cm, 31 ft·lbf) (b) Connect the pretensioner connector INSTALL CENTER PILLAR LOWER GARNISH INSTALL FRONT DOOR SCUFF PLATE H01352 AuthorĂ: DateĂ: 2217 RS–73 SUPPLEMENTAL RESTRAINT SYSTEM – WIRE HARNESS AND CONNECTOR WIRE HARNESS AND CONNECTOR RS01V–11 LOCATION Airbag Sensor Assembly Front Airbag Sensor (RH) Combination Meter (Warning Light) Front Passenger Airbag Assembly Spiral Cable Side Airbag Assembly (RH) Front Airbag Sensor (LH) Side Airbag Sensor Assembly (RH) Steering Wheel Pad (with Airbag) Side Airbag Sensor Assembly (LH) Seat Belt Pretensioner (LH) Seat Belt Pretensioner (RH) Side Airbag Assembly (LH) H08282 AuthorĂ: DateĂ: 2218 RS–74 SUPPLEMENTAL RESTRAINT SYSTEM – WIRE HARNESS AND CONNECTOR RS01W–09 INSPECTION HINT: The SRS wire harness is integrated with the instrument panel wire harness assembly All the connectors in the system are a standard yellow color VEHICLE NOT INVOLVED IN COLLISION Do a diagnostic system check (See page DI–626) VEHICLE INVOLVED IN COLLISION (a) Do a diagnostic system check (See page DI–626) (b) Check breaks in all wires of the SRS wire harness, and exposed conductors (c) Check to see if the SRS wire harness connectors are cracked or chipped AuthorĂ: DateĂ: 2219 RS–75 SUPPLEMENTAL RESTRAINT SYSTEM – WIRE HARNESS AND CONNECTOR RS01X–09 REPLACEMENT In the following cases, replace the wire harness or connector F If any part of the SRS wire harness or any connector has been found to be faulty in troubleshooting F If any part of the SRS wire harness or any connector has been found to be faulty during checking items (See page RS–74) CAUTION: If the wire harness used in the SRS is damaged, replace the whole wire harness assembly AuthorĂ: DateĂ: 2220 ... RS–3 SUPPLEMENTAL RESTRAINT SYSTEM – SRS AIRBAG SRS WARNING LIGHT The SRS warning light is located on the combination meter It goes on to alert the driver of trouble in the system when a malfunction... SUPPLEMENTAL RESTRAINT SYSTEM – STEERING WHEEL PAD AND SPIRAL CABLE RS010–19 INSPECTION (a) (b) W03512 (a) (b) W03513 Horn Button Contact Plate VEHICLE NOT INVOLVED IN COLLISION Do a diagnostic system. .. steering wheel is deformed, never repair it Always replace the steering wheel assembly with a new one W03521 AuthorĂ: DateĂ: 2161 RS–17 SUPPLEMENTAL RESTRAINT SYSTEM – STEERING WHEEL PAD AND SPIRAL